don't recursively call gst_bin_set_state on failure don't do unnecessary state changes

Original commit message from CVS:
don't recursively call gst_bin_set_state on failure
don't do unnecessary state changes
This commit is contained in:
Thomas Vander Stichele 2003-06-07 22:39:11 +00:00
parent c349a582b4
commit 31d75cf682
3 changed files with 21 additions and 3 deletions

View file

@ -663,12 +663,22 @@ gst_bin_change_state (GstElement * element)
pending = GST_STATE_PENDING (element);
transition = GST_STATE_TRANSITION (element);
GST_INFO_ELEMENT (GST_CAT_STATES, element, "changing childrens' state from %s to %s",
gst_element_state_get_name (old_state), gst_element_state_get_name (pending));
GST_INFO_ELEMENT (GST_CAT_STATES, element,
"changing childrens' state from %s to %s",
gst_element_state_get_name (old_state),
gst_element_state_get_name (pending));
if (pending == GST_STATE_VOID_PENDING)
return GST_STATE_SUCCESS;
if (old_state == pending)
{
GST_INFO_ELEMENT (GST_CAT_STATES, element,
"old and pending state are both %s, returning",
gst_element_state_get_name (pending));
return GST_STATE_SUCCESS;
}
children = bin->children;
while (children) {
@ -694,7 +704,6 @@ gst_bin_change_state (GstElement * element)
if (GST_ELEMENT_SCHED (child) == GST_ELEMENT_SCHED (element)) {
/* try to reset it to what is was */
GST_STATE_PENDING (element) = old_state;
gst_bin_change_state (element);
return GST_STATE_FAILURE;
}

View file

@ -2238,6 +2238,14 @@ gst_element_set_state (GstElement *element, GstElementState state)
/* start with the current state */
curpending = GST_STATE(element);
if (state == curpending)
{
GST_DEBUG_ELEMENT (GST_CAT_STATES, element,
"element is already in requested state %s",
gst_element_state_get_name (state));
return (GST_STATE_SUCCESS);
}
GST_DEBUG_ELEMENT (GST_CAT_STATES, element, "setting state from %s to %s",
gst_element_state_get_name (curpending),
gst_element_state_get_name (state));

View file

@ -2278,6 +2278,7 @@ gst_pad_push (GstPad *pad, GstBuffer *buf)
GstRealPad *peer;
GstData *data = GST_DATA(buf);
g_assert (GST_IS_PAD (pad));
GST_DEBUG_ENTER ("(%s:%s)", GST_DEBUG_PAD_NAME (pad));
g_return_if_fail (GST_PAD_DIRECTION (pad) == GST_PAD_SRC);